Question 872915
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Hi
{{{(3/7)x - 8.51 = (1/8)x}}}
 {{{(24/56)x - (7/56)x}}} = 8.51L
         (17/56)x = 8.51L
                x = 8.51(56/17) = 28L nearest L
CHECKING our answer***
 12 - 8.5 = 3.5 = 28/8
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